New Delhi, March 1: Indian Railways has cancelled the operations of the Indo-Pak Samjhauta Express on its side from Thursday, which senior officials said was due to "purely operational reasons" as Pakistan had suspended services from across the border. A notification in this regard was issued in New Delhi.

Pakistan has already suspended services on its end, officials said, amidst strain in ties in the aftermath of the 14 February terror attack on CRPF personnel in Pulwama and subsequent developments.

The train, which was supposed to leave from Attari to Delhi at around 8 pm Thursday, has been cancelled.

The Railway Board has also suspended all operations of the Attari Special Express, Delhi-Attari-Delhi, which together with the Wagah-Lahore link is known as the Samjhauta or Friendship Express, from the train's next scheduled run which is on Sunday, 3 March, according to the order.

"With no passengers from Pakistan, it makes no sense to run it on our end. The cancellation has been done purely for operational reason. Hopefully we will be able to resume services once the tension de-escalates," a source said.

At least 40 passengers from both countries are believed to be stranded at Attari, the sources said.

Pakistan had Wednesday cancelled the train's trip on the Wagah-Lahore stretch on its side, even as 27 passengers, 24 Indians and three from the neighbouring country arrived in Attari at 7 am.

The train had left the Old Delhi Railway station at 11:20 pm Wednesday night.

On Thursday, the Wagah station master sent a message to his Attari counterpart that the passenger and parcel train which comes to Attari station from the Pakistan side at 12.30 pm will not be coming till further notice, officials said.

Earlier in the day, a Pakistan Foreign Office (FO) spokesman said in a statement the operations of the train had been suspended Thursday "in view of the prevailing tensions between Pakistan and India."

The biweekly train was scheduled to depart from Lahore with 16 passengers.

"Samjhauta Express will resume its operations as soon as the security situation improves between India and Pakistan," the FO said, not giving any specific date for resuming the services.